Starting work on blocking tranport.

2010-12-21 10:06:42 +01:00
parent d0b5e2ad66
commit 20cf4fed8b
3 changed files with 158 additions and 0 deletions
@@ -0,0 +1,70 @@
+/*
+ * blockingUDPTransport.cpp
+ *
+ *  Created on: Dec 20, 2010
+ *      Author: Miha Vitorovic
+ */
+
+/* pvAccess */
+#include "blockingUDPTransport.h"
+
+#include "caConstants.h"
+
+/* pvData */
+#include <byteBuffer.h>
+
+/* EPICSv3 */
+#include <osdSock.h>
+#include <osiSock.h>
+#include <errlog.h>
+
+#include <cstdio>
+
+
+namespace epics {
+    namespace pvAccess {
+
+        using namespace epics::pvData;
+
+        BlockingUDPTransport::BlockingUDPTransport(SOCKET channel,
+                osiSockAddr* bindAddress, osiSockAddr* sendAddresses,
+                                  short remoteTransportRevision) {
+            this->channel = channel;
+            this->bindAddress = bindAddress;
+            this->sendAddresses = sendAddresses;
+
+            socketAddress = bindAddress;
+
+            // allocate receive buffer
+            receiveBuffer = new ByteBuffer(MAX_UDP_RECV);
+
+            // allocate send buffer and non-reentrant lock
+            sendBuffer = new ByteBuffer(MAX_UDP_SEND);
+
+            ignoredAddresses = NULL;
+            closed = false;
+            lastMessageStartPosition = 0;
+        }
+
+        BlockingUDPTransport::~BlockingUDPTransport() {
+            delete receiveBuffer;
+            delete sendBuffer;
+        }
+
+        void BlockingUDPTransport::start() {
+            // TODO implement
+        }
+
+        void BlockingUDPTransport::close(bool forced) {
+            if (closed)
+                return;
+            closed = true;
+
+            if (bindAddress != NULL)
+                errlogSevPrintf( errlogInfo, "UDP connection to %d closed.", *bindAddress);
+
+            //std::fclose(channel);
+        }
+
+    }
+}